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USGS Daily Statistics for the Nation

The statistics generated from this site are based on approved daily-mean data and may not match those published by the USGS in official publications. The user is responsible for assessment and use of statistics from this site. For more details on why the statistics may not match, click here.

USGS 09038500 WILLIAMS FORK BELOW WILLIAMS FORK RESERVOIR, CO


Grand County, Colorado
Hydrologic Unit Code 14010001
Latitude  40°02'09.34", Longitude 106°12'18.05" NAD83
Drainage area 230  square miles
Gage datum 7,616.53 feet above NAVD88
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00060, Discharge, cubic feet per second,
Day of
month		 Mean of daily mean values for each day for water year of record in, ft3/s   (Calculation Period 1948-10-01 -> 2025-09-30)

Calculation period restricted by USGS staff due to special conditions at/near site
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
1 93 82 80 75 89 185 256 163 167 139 119 100
2 93 82 80 76 92 194 247 165 170 139 122 97
3 93 82 79 78 99 212 239 161 172 137 125 95
4 93 81 78 78 98 215 241 160 174 135 125 95
5 93 82 78 77 96 217 234 161 171 134 123 92
6 93 82 78 75 93 229 219 159 168 131 124 92
7 92 82 78 73 97 246 219 162 169 127 122 94
8 92 81 78 71 103 247 216 163 170 125 124 94
9 92 81 78 71 108 245 206 159 169 126 125 94
10 92 81 79 72 114 239 207 160 165 126 126 91
11 92 81 79 74 114 258 204 164 167 126 125 91
12 92 81 80 75 115 261 193 167 166 130 126 92
13 92 81 82 77 116 270 186 164 162 130 125 94
14 91 81 83 79 121 278 180 165 162 126 124 96
15 91 81 85 80 124 283 170 169 165 124 122 96
16 91 81 87 80 124 278 159 169 164 123 120 96
17 91 81 86 81 123 283 157 168 162 119 119 96
18 91 80 87 82 124 295 159 169 159 122 122 97
19 92 80 86 82 122 289 159 169 155 124 119 97
20 91 81 86 82 123 300 157 167 151 123 118 96
21 90 81 85 84 134 303 158 166 147 121 114 95
22 90 80 85 84 143 305 163 167 150 120 113 95
23 89 81 86 84 144 308 160 170 150 120 114 95
24 90 81 86 81 145 304 157 168 150 119 112 95
25 89 81 86 83 147 292 164 172 151 119 115 95
26 89 81 86 85 151 284 158 175 153 125 113 95
27 87 81 87 86 151 276 153 175 151 126 115 95
28 88 81 88 85 154 276 154 174 152 122 114 96
29 88 83 87 86 165 275 153 174 153 121 117 96
30 87   83 86 176 261 154 172 147 122 112 96
31 86   83   183   155 168   122   96